Circuit Analysis

Circuit analysis is one of the most fundamental subjects in electrical engineering. Understanding how electrical circuits behave under different conditions is essential before designing, installing, or troubleshooting any system. This category covers core principles, theorems, and practical problem-solving techniques used in analyzing electrical networks.

Topics include Ohm’s Law, Kirchhoff’s Laws, network theorems, AC and DC circuit analysis, transient behavior, and practical example-based solutions. Each tutorial is structured to build step-by-step understanding, making it suitable for students as well as practicing engineers who want to strengthen their analytical skills.

To expand your knowledge, explore related Electronics Engineering tutorials for component-level understanding. You can also test your problem-solving skills through our MCQs & Practice Tests section.

Mastering circuit analysis provides the technical foundation needed for advanced subjects such as power systems, electronics, and industrial installations.

Capacitor Charging and Discharging Equation and RC Time Constant

February 18, 2026August 2, 2018 by Gul Faraz

Capacitor Charging Discharging

Charging and discharging a capacitor means gaining and losing charge over the capacitor plate respectively. The working principle, equations, graphs and transient response explained in depth.

Different Types of Capacitors and Their Construction

February 18, 2026July 26, 2018 by Gul Faraz

Types of Capacitors

What are the different types of capacitors are available in the market? How they are made up and their construction explained. Based on the construction, their characteristics are presented.

Explain Superposition Theorem Example and Solution

August 10, 2025June 21, 2018 by Gul Faraz

Superposition Theorem Principle

Superposition Theorem state that the voltage across an element in a linear electric circuit is the algebraic sum of the voltages across that element due to each independent source acting alone.

Difference between Ideal and practical, Voltage and Current Source

February 28, 2026June 12, 2018 by Gul Faraz

Difference between ideal and practical Source

In contrast to a practical voltage source, an imaginary deal source provide constant voltage regardless of load current because of no internal resistance. While ideal current source provides a constant current regardless of load current.

Star to Delta and Delta to Star Conversion Formula Calculator

August 8, 2025June 12, 2018 by Gul Faraz

Star Delta Transformation

Star Delta Transformations and Delta Star Transformations allow us to convert resistances or impedances connected together at three different nodes from one type of connection to another and vice versa.

Maximum Power Transfer Theorem Proof and Example

August 8, 2025June 6, 2018 by Gul Faraz

Maximum Power Transfer Theorem

Maximum Power Transfer Theorem state that maximum power will transfer from source to load if and only if the load resistance is equal to source internal resistance. The theorem is purely about the transfer of power not efficiency.

Voltage to Current Source Transformation Theorem

August 8, 2025June 3, 2018 by Gul Faraz

Source Conversion

Source transformation or conversion is a technique to replace a voltage source with a current source for circuit simplification and vice versa.

Norton Theorem with Examples: How to Use Norton Theorem?

February 23, 2026June 1, 2018 by Gul Faraz

Norton Theorem

Norton Theorem reduces any two port circuit to a Norton Resistor, a load resistor, and a current source in parallel. Where Thevenin Theorem incorporates voltage source in series.

Thevenin Theorem and Example: The Thevenin Equivalent Circuit

February 23, 2026May 29, 2018 by Gul Faraz

Thevenin Equivalent Circuit

According to Thevenin Theorem, a complex circuit is reduced to two resistor network, Thevenin Resistor, and Load resistor and a Thevenin Voltage source to avoid redundant computation to analyze a frequent changing resistor.

Online Parallel Resistors Calculator: Add Parallel Resistors

January 31, 2026May 27, 2018 by Gul Faraz

Resistors are said to be parallel if there is only one path for the flow of current. The total resistance in parallel is less than the individual resistors in parallel.